Rating:
Information injection-pump assembly
BOSCH
9 400 613 523
9400613523
ZEXEL
101272-3010
1012723010
KOMATSU
6142751205
6142751205
Service parts 101272-3010 INJECTION-PUMP ASSEMBLY:
1.
_
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
10.
NOZZLE AND HOLDER ASSY
11.
Nozzle and Holder
12.
Open Pre:MPa(Kqf/cm2)
13.
NOZZLE-HOLDER
14.
NOZZLE
15.
NOZZLE SET
Cross reference number
BOSCH
9 400 613 523
9400613523
ZEXEL
101272-3010
1012723010
KOMATSU
6142751205
6142751205
Zexel num
Bosch num
Firm num
Name
101272-3010
9 400 613 523
6142751205 KOMATSU
INJECTION-PUMP ASSEMBLY
2D94 * K
2D94 * K
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113 or {SAEJ967d}
1404 Test oil ISO4113 or {SAEJ967d}
Test oil temperature
degC
40
40
45
Nozzle and nozzle holder
105780-8140
Bosch type code
EF8511/9A
Nozzle
105780-0000
Bosch type code
DN12SD12T
Nozzle holder
105780-2080
Bosch type code
EF8511/9
Opening pressure
MPa
17.2
Opening pressure
kgf/cm2
175
Injection pipe
Outer diameter - inner diameter - length (mm) mm 6-2-600
Outer diameter - inner diameter - length (mm) mm 6-2-600
Tester oil delivery pressure
kPa
157
157
157
Tester oil delivery pressure
kgf/cm2
1.6
1.6
1.6
Direction of rotation (viewed from drive side)
Right R
Right R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right R
Right R
Injection order
1-2
Pre-stroke
mm
2.2
2.15
2.25
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cyl.1-2 deg. 90 89.5 90.5
Cyl.1-2 deg. 90 89.5 90.5
Injection quantity adjustment
Adjusting point
A
Rack position
10.3
Pump speed
r/min
750
750
750
Average injection quantity
mm3/st.
39
38
40
Max. variation between cylinders
%
0
-2
2
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
8+-0.5
Pump speed
r/min
400
400
400
Average injection quantity
mm3/st.
8.8
8
9.6
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.
Adjust only variation between cylinders; adjust governor according to governor specifications.
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)RACK CAP: R1
(3)Idle spring not operating.
(4)Idle sub spring setting: L1.
----------
K=12 R1=(18)mm L1=6.5-0.5mm
----------
----------
K=12 R1=(18)mm L1=6.5-0.5mm
----------
Speed control lever angle
I:Idle
S:Stop
(1)Set the pump speed at aa. ( At delivery )
(2)Pump speed = bb
----------
aa=900r/min bb=750r/min
----------
a=10deg+-5deg b=32deg+-3deg c=24deg+-5deg d=7deg+-5deg
----------
aa=900r/min bb=750r/min
----------
a=10deg+-5deg b=32deg+-3deg c=24deg+-5deg d=7deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Position of camshaft's key groove at No 1 cylinder's beginning of injection
(3)-
(4)-
----------
----------
a=(50deg)
----------
----------
a=(50deg)
Have questions with 101272-3010?
Group cross 101272-3010 ZEXEL
Komatsu
101272-3010
9 400 613 523
6142751205
INJECTION-PUMP ASSEMBLY
2D94
2D94